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This element represents the fair value by the entity of debt and equity securities, derivatives, and long-term debt.

No definition available.

Name:	dow_FinancialInstrumentsFairValue
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This item represents the gross unrealized gains of debt and equity securities, derivatives, and long-term debt.

No definition available.

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This item represents the gross unrealized losses of debt and equity securities, derivatives, and long-term debt.

No definition available.

Name:	dow_FinancialInstrumentsGrossUnrealizedLosses
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Data Type:	xbrli:monetaryItemType
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Name:	dow_FinancialInstrumentsLineItems
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Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 35

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=6439857&loc=d3e75592-113984

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